Originally Posted by Skybird

That's maybe because these computers are not contemporary, but old, I mean: really old: 1979, and 1981! anyhow, thanks guys, but the porblem is solved. I found an electrician in Dusseldorf who as a hobby has specialised in repairing such old chess computers, he also can build such power suppliers, and with the right connectors already attached. 60 euros for both, inclusive shipping, that is a fair price, considering that the original PSUs twenty years ago usually were sold for 100 D-Mark (50 euros) per piece.Seeing a chess computer without PSU is like seeing a baby without it's milk bottle :( It makes my heart cry...